Y. Liu, C. Sun, Y. Hao, T. Jiang, L. Zheng, and S. Wang, “Mechanism of Dissolution Enhancement and Bioavailability of Poorly Water Soluble Celecoxib by Preparing Stable Amorphous Nanoparticles”, J Pharm Pharm Sci, vol. 13, no. 4, pp. 589–606, Dec. 2010.